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Senhoshi Lava

Abbr.: SL

• Volcanic rocks
• Pleistocene (28,670 year BP, K-Ar)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Rishiri island, Rishiri county, Hokkaido

• Ueki and Kondo (2010) Jour. Geol. Soc. Japan, vol.116, no.12, pp.686-689 DOI